SECONDARY BATTERY

A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a lithium-nickel composite oxide. A first O1s spectrum, a second O1s spectrum, a b1s spectrum, a S2p spectrum, a F1s spectrum, and a Ni3p spectrum are detectable by...

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Bibliographische Detailangaben
1. Verfasser:	FUKUDA, Masumi
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a lithium-nickel composite oxide. A first O1s spectrum, a second O1s spectrum, a b1s spectrum, a S2p spectrum, a F1s spectrum, and a Ni3p spectrum are detectable by a surface analysis of the positive electrode by X-ray photoelectron spectroscopy. The first O1s spectrum has a peak within a range of binding energy that is greater than or equal to 528 eV and less than or equal to 531 eV. The second O1s spectrum has a peak within a range of binding energy that is greater than 531 eV and less than or equal to 535 eV.